Hawthorne Gardening Company, our vendor and shipper for all things hydro is experiencing logistical issues due to the coronavirus pandemic. Delivery times are unpredictable and they have raised their minimum order amount. We are unable to accept any orders less than $300 before tax and shipping for Hawthorne items. Additionally, the entire order will need to be available from one distribution center. If you order is over $300, please contact us with a list of what you would like to order and we will research to see if it's available. We are sorry for the inconvenience. The Multi Flow items are not subject to the order minimum and can be found on the products page.

Bluelab pH 4.0 Calibration Solution, 250 ml, case of 6

Bluelab pH 4.0 Calibration Solution, 250 ml, case of 6

Description

Calibration and conductivity standard solutions... a must in every grower's toolbox.

The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab
products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe.

Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy.

Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated here at Bluelab. The CF27.7 (EC2.77) solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe.

Contamination between solutions can easily occur, which will affect the validity of the calibration. Bluelab recommend that the solutions are de-cantered into a smaller vessel and the contents discarded when the calibration process has been completed.

 

Item Number: 407741
International Article Number: 9421024920432
Brand: Bluelab

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